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The Astro-Missiology of the Unreachable: Christian Proclamation and Divine Grace Beyond Earthly Horizons

Grace, Daniel J.

Christian missiology has traditionally understood the "unreached" through earthly categories of geography, language, culture, political restriction, historical circumstance, and limited access to Christian proclamation. The possible expansion of human civilisation beyond Earth introduces a new theological frontier: cosmic geography. This study proposes astro-missiology…